Science News - The Hindu

Traces of SARS-CoV-2 (green) in the cells lining people’s intestines three months after infection. Credit: https://www.rockefeller.edu/

Immune system of recovered COVID-19 patients may evolve to fight coronavirus variants: Study

The researchers found that the patients' memory B cells — specifically those that produce antibodies against the coronavirus — did not decline in number

The molecular biodiversity research division lab at the Government Arts College in Udhagamandalam.

Laboratory comes up with technique to identify wildlife species from DNA

Rohan Premkumar

A monarch butterfly is seen at El Rosario sanctuary for monarch butterflies in the western state of Michoacan, near Ocampo, Mexico February 3, 2020.

Question Corner: How do butterflies fly with such small bodies and large wings?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Leading the way: At 1.82 lakh vaccinations as on January 22, Karnataka has the most number in the country, followed by Andhra Pradesh (1.27 lakh) and Odisha (1.21 lakh).

CoWIN glitches also responsible for low vaccine uptake

R. Prasad Registration of health-care workers on CoWIN is incomplete, many practising alternative medicine are not included

Editor's Pick

Impact: Frequent flash droughts can have deleterious effects on crop production in India.

More flash droughts in India by end of century

Aswathi Pacha Atmospheric anomalies, anthropogenic greenhouse gas emissions play a role

Number one: The Sind krait (seen in the picture) has been identified as the snake with the most potent venom in India.

Lookalike snakes but with self-styled venoms

Shubashree Desikan Indian antivenoms were ineffective in neutralising venoms of cryptic kraits

Two to three weeks after treatment, the previously paralyzed mice began to walk. Credit: Lehrstuhl für Zellphysiologie

German scientists make paralysed mice walk again

Reuters The treatment involves injecting carriers of genetic information into the brain to produce a protein, called hyper-interleukin-6

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A supplied undated image obtained January 20, 2020 shows a platypus being surveyed by researchers for the Platypus Conservation Initiative in New South Wales, Australia.

Watch | Why are platypuses so weird?

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Immune system of recovered COVID-19 patients may evolve to fight coronavirus variants: Study

Laboratory comes up with technique to identify wildlife species from DNA

Sunday Quiz: Easy like Sunday morning

Lookalike snakes but with self-styled venoms

Question Corner: How do butterflies fly with such small bodies and large wings?

Coronavirus | CoWIN glitches also responsible for low vaccine uptake

Indian mathematician Nikhil Srivastava is joint winner of maths prize

Indian mathematician Nikhil Srivastava, has been named winner of the prestigious 2021 Michael and Sheila Held Prize along with two others for solving

More flash droughts in India by end of century

Atmospheric anomalies, anthropogenic greenhouse gas emissions play a role

German scientists make paralysed mice walk again

The treatment involves injecting carriers of genetic information into the brain to produce a protein, called hyper-interleukin-6

Study shows COVID-19 triggers antibodies from previous coronavirus infections

the differences in the pre-existing antibody response identified by this study may possibly explain some differences in how severely COVID-19 disease affects old versus young people.

Satellite images to aid elephant conservation from space

Currently, the most common technique for surveying elephant populations in savannah environments is aerial counts from manned aircraft.

South African coronavirus variant may escape antibodies, cause reinfection, say scientists

In the research, the scientists, including those from the University of the Witwatersrand in South Africa, tested the neutralisation activity of plasma from patients who recovered from prior infection.

From Archaea to orchids: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

How the male mantis avoids being decapitated after mating

Sexual cannibalism — when the female of a species consumes the male during or after mating — is also known among spiders and scorpions

Know the scientist: Jane Cooke Wright

Jane Wright pioneered the use of the drug methotrexate to treat breast cancer and skin cancer

Rice attributes that improve nitrogen use efficiency found

It could help farmers use nitrogenous fertilizers efficiently, save costs.

Watch | Why are platypuses so weird?

A video on platypuses, that belong to an ancient group of mammals called monotremes

V. Shanta (1927-2021)

She was regarded as the doyen of cancer care in the country

Best from science journals: When mosquitoes were given malaria

Here are some of the most interesting research papers to have appeared in top science journals last week.

China's retrieved lunar samples weigh less than targeted

China is open to cooperating with all nations in studying the samples, including the United States.

Greenhouse gas emissions have regional impacts on wildfire outbreaks: study

By 2080, greenhouse gas emissions are expected to raise the risk of extreme wildfire by at least 50% in western North America, equatorial Africa, Southeast Asia and Australia

Richard Branson’s Virgin Orbit reaches space with key mid-air rocket launch

Sunday’s test also thrusts Virgin Orbit into an increasingly competitive commercial space race, offering a unique “air-launch” method of sending satellites to orbit alongside rivals such as Rocket Lab and Firefly Aerospace

NASA test of mega Moon rocket engines cut short

The “hot-fire” test at the Stennis Space Center in Mississippi was supposed to last a little over eight minutes — the time the engines would burn in flight — but they shut down just over a minute into the burn.

Watch | Curiosity Rover completes 3000 days on Mars

A video on NASA’s Mars rover, Curiosity, completing 3000 days on the red planet

Fruit flies evolve in response to environment

Males modulate their reproductive investment based on perceived competition

Question Corner: Do plants share genetic material with each other?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Exotic food exchange in the second millennium BCE

Trade flourished long before the Silk Routes were established

Glucose addiction can foment tumours

Study reveals genes’ roles in regulating glucose utilisation by breast cancer cells

This is a wonderful time to work on black holes: astrophysicist Parameswaran Ajith

The cosmic bodies have come out of their historical isolation to take centrestage in modern astrophysics, says the recipient of the inaugural young scientist award instituted by The World Academy of Sciences

Tiny worms can make complex travel decisions when hitch-hiking: IISc study

This was one of the key findings by two researchers from the Centre for Ecological Sciences (CES) at the Indian Institute of Science who studied how microscopic worms called nematodes that live in fig trees hitch a ride on fig wasps so that they can move from one tree to another

Coronavirus | Indian scientists divided over nod for Covaxin

While some say safety parameters are good, others have asked for efficacy data

RIP: Mars digger bites the dust after 2 years on red planet

NASA has declared the Mars digger dead after failing to burrow deep into the red planet to take its temperature.Scientists in Germany spent two years

All about vaccination: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Watch | The world’s insect population is declining

A video on the world's declining insect population

In pictures: NASA's Curiosity Rover celebrates 3000 days on Mars

A martian day is slightly longer than an Earth day. It is approximately 24 hours, 39 minutes, 35 seconds long

Best from science journals: Why are platypus so weird?

Here are some of the most interesting research papers to have appeared in top science journals last week.

Tardy hunt for UK variant of virus

Centre not actively looking for community spread of strain, says scientists

Watch | All about the bird flu outbreak in India

A video explainer on the Avian Influenza outbreak in India

World insect population declining at an alarming rate, say studies

Honeybees have been in dramatic decline because of disease, parasites, insecticides, herbicides and lack of food

‘COVID-19 herd immunity unlikely in 2021 despite vaccines’

The World Health Organization’s (WHO’s) chief scientist warned that even as numerous countries start rolling out vaccination programmes to stop

NARL scientists solve mystery over unequal aerosol distribution

Research paper published in the latest issue of the Nature magazine

Watch | Can spiders build webs in space?

A video on NASA's experiments with spiders in space on board the Skylab and ISS

Coronavirus | Most hospitalised COVID-19 patients have at least one symptom 6 months after falling ill: study

The most common symptom to persist was muscle weakness, with patients also frequently experiencing sleep difficulties

Coronavirus | COVID-19 ICU patients at risk of acute brain dysfunction, says study

The choice of sedative medications and curbs on family visitation played a role

Loring and Schwerdt, and their search for poliovirus

Stanford scientists Hubert Scott Loring and Carlton Everett Schwerdt announced their successful isolation of poliovirus on January 10, 1947. Even though it was only 80% pure and extracted from cotton rats infected with polio, it was a breakthrough at the time and a giant stride in our continuing fight against polio.

Identical twins aren’t perfect clones, study shows

15% of identical twins showed up to 100 genetic differences

Question Corner: Why haven’t crocodiles evolved much since the age of the dinosaurs?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Harnessing what Einstein called spooky ‘action at a distance’

‘Entangled’ particles mimic changes in each other regardless of the separation

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Protesting farmers clash with securitymen during their tractor rally near Nagloi in New Delhi on January 26, 2021.

26K | R-Day farmers tractor rally live updates | Samyukt Kisan Morcha calls off rally with immediate effect

Reliance Industries Chairman Mukesh Ambani. File photo

21K | Indian billionaires increased their wealth by 35% during the lockdown, says Oxfam report

Chinese civilians reportedly entered Indian territory and asked villagers to leave the area. Photo: Special Arrangement

21K | Chinese using Indian roads to trespass, say Ladakh villagers

The Income Tax department searched Paul Dhinkaran’s residence and official premises on January 20

19K | I-T raids on Paul Dhinakaran expose ₹120 crore of unaccounted income

Clockwise from top - Singer KS Chithra, Ram Vilas Paswan, Shinzo Abe

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Chinese civilians reportedly entered Indian territory and asked villagers to leave the area. Photo: Special Arrangement

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A nurse fills a dose of Covishield vaccine in an injection to administer it to a frontline worker at Rajawadi hospital in Mumbai on January 16, 2021.

11K | The Hindu Explains | How effective are the two COVID-19 vaccines rolled out in India, and are there concerns about safety?

A file photo of the murdered siblings with their parents.

10K | Madanapalle double murder: Police looking into possible occult practices by the family

The Camel Contingent of Border Security Force take part at Republic Parade.

10K | Republic Day 2021: India's heritage, diversity, military might at display at Rajpath